DPG-20

Product Description

DPG-20 Differential Pressure Gauge is a compact and reliable instrument designed for accurate differential pressure measurement in industrial and process applications. It uses a piezo-resistive sensor to measure pressure ranges from 35 kPa to 2500 kPa with an accuracy of ±0.25% of full scale. The gauge features a clear LCD display with auto display shut-off and display lock to extend battery life. It is battery-operated with optional solar power, ensuring long-term field operation with minimal maintenance. Built-in temperature compensation, zero tare, and unit conversion functions enhance measurement stability and usability. With IP-65 weatherproof enclosure, optional RS-485 MODBUS RTU, GSM, or GPRS communication, and robust SS / die-cast housing, the DPG-20 is ideal for demanding industrial environments.

Product Parameters

Configure the transmitter and electronics based on application, environment, and compliance requirements.

Sensor Type	Piezo Resistive
Pressure Range	DP URL : 35 kPa to 2500 kPa
Power Supply	Battery Operated
Display	LCD Display
Display Lock	Display can be made ON by pressing ‘ON’ Key on front fascia
Display Lock	Display ON duration programmable
Battery Back up Time	1 to 5 years based on sampling & messaging frequency
Communication Output	Output 1: RS485 (MODBUS RTU) Output 2 : GSM, GPRS
Accuracy	± 0.25% F. S. (Including Linearity, Repeatability & Hysteresis) *In case of remote seal process connection the accuracy will be less than +/-1% F. S.
Response Time	< 200 mSec
Burst Pressure	3 times max. Pressure range
Over Pressure Safety	2 times of Max. pressure range
Temperature Compensation	Inbuilt
Operating Temperature	Temperature : -20 to 70 °C / Humidity : 5 to 95% non condensing
Temperature Coefficient	± 0.01% per °C
Process Temperature	-20 to 120°C max
Process Connection	A. 1) Threaded: 1/4” NPT, 2) 1/2” NPT, 3) 1/4” BSP, 4) 1/2” BSP
Process Connection	B. 2) Flush Diaphragm (Tri Clover), 2) Flush Diaphragm (½” BSP)
Process Connection Point	1) Bottom, 2) Rear
Mounting	Direct Line mount
MOC Electronics Enclosure	SS / Die-cast aluminium
Diaphragm MOC	Hastelloy C / SS316L
Sensor MOC	SS316 / Hastelloy C
Area Classification	Field Mount Weather Proof IP65
Fill Fluid	Silicon Oil
Weight	1 kg (Approximate)

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Applications

Electronet instruments are widely deployed across multiple industries and utilities for reliable monitoring and control of critical process parameters.

Industry	Key Applications (DPG-20)
Water & Wastewater Treatment	Direct visual monitoring of differential pressure across dual-media filters, sand filters, activated carbon beds, and coarse intake strainers to determine backwash frequency.
Automation & Manufacturing	Continuous pressure drop indication across hydraulic fluid return line filters, central lubrication filtration units, and industrial compressed air line coalescing filters.
Oil & Gas / Petrochemical	Field differential pressure tracking across pipeline basket strainers, fuel oil cartridge filters, suction strainers on hydrocarbon booster pumps, and separator coalescers.
Nuclear Power & Power Generation	Monitoring differential pressure across turbine lube oil filters, condensate polishing filter cartridges, cooling water intake screens, and demineralizer resin beds.
Textile Industry	Differential pressure verification across process steam line strainers, heat recovery economizer filters, and wet-processing water circulation filters.
Pulp & Paper Industry	Pressure drop measurement across pulp screening baskets, fresh water intake sand filters, felt shower water line filters, and paper machine vacuum suction boxes.
OEM Equipment Manufacturers	Standard equipment on skid-mounted RO water treatment systems, industrial air compressor filter assemblies, pump protection strainer skids, and heat exchanger packages.
Sugar & Distillery Industry	Monitoring clogging on mixed juice screen filters, boiler feed pump suction strainers, evaporator condensate polishing filters, and spray pond circulation line strainers.